internal linking

app/Models/Post.php

@@ -3,6 +3,7 @@
 namespace App\Models;
 
 use App\Enums\PostStatus;
+use App\Support\ToolLinker;
 use Database\Factories\PostFactory;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Attributes\RouteKey;
@@ -88,12 +89,14 @@ class Post extends Model
             // The page template already renders the post title as an <h1>. If the
             // Markdown body also opens with a top-level heading repeating that
             // title, drop it so the page doesn't ship two identical <h1>s.
-            return preg_replace_callback(
+            $html = preg_replace_callback(
                 '/^\s*<h1>(.*?)<\/h1>/is',
                 fn ($matches) => trim(strip_tags($matches[1])) === trim($this->title) ? '' : $matches[0],
                 $html,
                 limit: 1
             );
+
+            return (new ToolLinker)->link($html);
         });
     }